Thorough γ-ray and particle decay investigations of Ni58

E. K. Johansson, D. Rudolph, I. Ragnarsson, L. L. Andersson, D. A. Torres, C. Andreoiu, C. Baktash, M. P. Carpenter, R. J. Charity, C. J. Chiara, J. Ekman, C. Fahlander, O. L. Pechenaya, W. Reviol, R. Du Rietz, D. G. Sarantites, D. Seweryniak, L. G. Sobotka, C. H. Yu, S. Zhu

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19 Scopus citations

Abstract

The combined data from three fusion-evaporation reaction experiments have been utilized to investigate the semi-magic nucleus 2858Ni30. To detect γ rays in coincidence with evaporated particles, the Ge-detector array Gammasphere was used in conjunction with the charged-particle detectors Microball and LuWuSiA (the Lund Washington University Silicon Array), and a neutron detector array. The results yield a significantly extended level scheme of Ni58 comprising some 340 γ-ray transitions and include a total of at least 14 discrete particle decays into excited states of the daughter nuclei Fe54 and Co57. The level scheme is compared with large-scale shell-model calculations and cranked Nilsson-Strutinsky calculations.

Original languageEnglish
Article number014321
JournalPhysical Review C - Nuclear Physics
Volume80
Issue number1
DOIs
StatePublished - Aug 6 2009

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